System for temperature measurement and control using the conductivity of a component.

摘要

A system for measuring and/or controlling the temperature of a component. The component is electrically conductive with a positive or negative temperature coefficient. The component could be a capillary tubing of said conductive material, or coated with such a material, for chromatographic usages. The component is interconnected in a first branche of a resistance measuring bridge circuit. The system is provided with means for detecting the imbalance of the bridge circuit and for direct measuring and/or controlling the temperature, with means for balancing the bridge circuit.